Speaker



FIG. 1 is a perspective view of the speaker.

FIG. 2 is a front view of the speaker.

FIG. 3 is a rear view of the speaker.

FIG. 4 is a side view of the speaker.

FIG. 5 is a bottom of the speaker.

FIG. 6 is a top view of the speaker; and,

FIG. 7 is a side view thereof, shown in an alternative position. 

The ornamental design for a speaker, as shown and described. 